• ESF main site
• ESF - PESC (Physical and Engineering Sciences)
• INFTY  - New frontiers of infinity: mathematical, philosophical, and computational prospects
• MISGAM - Methods of Integrable Systems, Geometry, Applied Mathematics
•  GLOBAL - Global and Geometric Aspects of Nonlinear Partial Differential Equations
• QG - Quantum Geometry and Quantum Gravity
• HCAA - Harmonic and Complex Analysis and its Applications
• CAST - Contact And Symplectic Topology

• The European Mathematical Society 
• American Mathematical Society  
• The Cornell University Library, e-Print archive 
• 2000 Mathematics Subject Classification
• Mathematical Reviews on the Web 
• Wolfram Mathworld - mathematics web resource
• ISI Web of knowledge
• Wikipedia, the free encyclopedia

• GEAR - Geometric Structures and Representation varieties. (An US- based RNMS-funded network)
• European Science Foundation
• Community Research & Development Information Service 
• International Center for Pure and Applied Mathematics
• EU - Grants

Jobs

• Mathjobs.org